doc: a few fixes

Signed-off-by: Chase Qi <chase.qi@linaro.org>
diff --git a/automated/doc/test-writing-guidelines.rst b/automated/doc/test-writing-guidelines.rst
index c293ef2..b23badd 100644
--- a/automated/doc/test-writing-guidelines.rst
+++ b/automated/doc/test-writing-guidelines.rst
@@ -151,7 +151,7 @@
 Saving parsed result in the same format is important for post process such as
 sending to LAVA. The following result format should be followed::
 
-    test-caes-id pass/fail/skip
+    test-case-id pass/fail/skip
     test-case-id pass/fail/skip measurement
     test-case-id pass/fail/skip measurement units